Linux and Unix, Open Source, Linux Howtos
In some cases, you may need to find a block device mapped against a logical unit number (LUNs) for filesystem (FS) expansion or disaster recovery (DR) activity. Also, this information …
How to Mapping Linux Block Devices to Storage LUNs Read More
In most cases, disk space can be expanded by adding a new LUN to the system. But in some scenario, you may need to resize the existing LUN in order …
How to Resize Existing LUN/Disk on Linux Read More
xfs_repair command repairs corrupt or damaged XFS filesystems. It’s highly scalable, high-performance and is designed to effectively repair even very large file systems with many inodes. Unlike other Linux file …
How to Check and Repair XFS Filesystem in RHEL Read More
The fsck (stands for File System Consistency Check) is used to check and repair one or more Linux filesystems. This check will run automatically at boot time when a filesystem …
How to Check and Repair EXT4 Filesystem in Linux Read More
Deleting (or removing) a file in Linux from the command line can be done using the rm command. It allows you to delete more than one files at once. Also, …
How to Remove Multiple Files at once on Linux Read More
The tee command reads standard input (stdin) and writes the result to standard output (stdout) and one or more files simultaneously. It basically displays the command output on the terminal …
Linux tee command with examples Read More
In this example, we will show how to modify an existing unit file. There are three main directories where unit files are stored on the system but the ‘/etc/systemd/system/’ directory …
How to modify an existing systemd unit file Read More
systemd is a system and service manager for Linux operating systems. When you install any application from a repository, it will drop a service unit file into the systemd directory …
How to create a systemd service unit file in Linux Read More
In this article, we’ll show you how to manage the systemd units using systemctl command. What’s systemd? systemd is a system and service manager for modern Linux operating systems, which …
How to manage systemd units with systemctl Read More
ss (socket statistics) is a command line tool that monitors socket connections and displays the socket statistics of the Linux system. It can display stats for PACKET sockets, TCP sockets, …
How to monitor Socket connections using ss command Read More